Many companies use in their own gadgets technology of face recognition. Users of the Android operating system heard about it long ago, however, fans of smartphones from Apple have not opportunity to use the option of face recognition. However, most likely, soon iOS users will become familiar with similar technology. Apple received a patent for the technology, which implies a unlocked phone with the help of a selfie.
The function is very simple. When you first start the device, it makes the photo owner to front camera, then updates the database of photos during the entire period of use of the smartphone to be the most accurate portrait of the user. This allows faster and more accurately determine the image of the real owner of the device. While the smartphone is used, it will continuously record the name of the owner, and stay in working condition. However, as soon as people turn away, the screen goes blank and the gadget is locked. One has only to point the camera at a person, as the smartphone becomes active again. This technology works without interruption and regardless of the user.